本程序以一个通俗易懂的例子说明了按钮的自绘制，由此实例可以举一反三地知道MFC其它控制的自绘制，另外配有详细的说明文档，利于学习-The procedure for a user-friendly examples to illustrate the self-draw the button, thereby to know MFC instances can learn by analogy from the other controls the draw, another with a de